Skip to content
Disclosery

GW&K Investment Management, LLC: SUPN position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GW&K Investment Management, LLC on SUPN, newest first. How the timeline and the estimate are built.

GW&K Investment Management, LLC held 1,037,242 SUPN shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,037,242 shares
    Change vs previous 13F -17,942 shares

    0.38% of the 13F portfolio, value $48,242,000.

    13F-HR 0001082917-26-000003 filed by GW&K Investment Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F 1,055,184 shares
    Change vs previous 13F -25,532 shares

    0.48% of the 13F portfolio, value $54,542,000.

    13F-HR 0001082917-26-000002 filed by GW&K Investment Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-12-31
    13F 1,080,716 shares
    Change vs previous 13F +178 shares

    0.46% of the 13F portfolio, value $53,712,000.

    13F-HR 0001082917-26-000001 filed by GW&K Investment Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-09-30
    13F 1,080,538 shares
    Change vs previous 13F -184,268 shares

    0.46% of the 13F portfolio, value $51,639,000.

    13F-HR 0001082917-25-000007 filed by GW&K Investment Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2025-06-30
    13F 1,264,806 shares
    Change vs previous 13F -117,635 shares

    0.36% of the 13F portfolio, value $39,866,000.

    13F-HR 0001082917-25-000004 filed by GW&K Investment Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2025-03-31
    13F 1,382,441 shares
    Change vs previous 13F +176,091 shares

    0.42% of the 13F portfolio, value $45,275,000.

    13F-HR 0001082917-25-000003 filed by GW&K Investment Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  7. period ended2024-12-31
    13F 1,206,350 shares
    Change vs previous 13F -31,665 shares

    0.37% of the 13F portfolio, value $43,621,000.

    13F-HR 0001082917-25-000001 filed by GW&K Investment Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  8. period ended2024-09-30
    13F 1,238,015 shares
    Change vs previous 13F not available

    0.33% of the 13F portfolio, value $38,601,000.

    13F-HR 0001082917-24-000006 filed by GW&K Investment Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).